91 lines
1.8 KiB
C
91 lines
1.8 KiB
C
/* D E F I N I T I O N M O D U L E S */
|
|
|
|
#ifndef NORCSID
|
|
static char *RcsId = "$Header$";
|
|
#endif
|
|
|
|
#include "debug.h"
|
|
|
|
#include <assert.h>
|
|
#include <em_arith.h>
|
|
#include <em_label.h>
|
|
|
|
#include "idf.h"
|
|
#include "input.h"
|
|
#include "scope.h"
|
|
#include "def.h"
|
|
#include "LLlex.h"
|
|
#include "f_info.h"
|
|
#include "main.h"
|
|
|
|
#ifdef DEBUG
|
|
long sys_filesize();
|
|
#endif
|
|
|
|
GetFile(name)
|
|
char *name;
|
|
{
|
|
/* Try to find a file with basename "name" and extension ".def",
|
|
in the directories mentioned in "DEFPATH".
|
|
*/
|
|
char buf[256];
|
|
char *strcpy(), *strcat();
|
|
|
|
(void) strcpy(buf, name);
|
|
if (strlen(buf) > 10) {
|
|
(void) strcpy(&buf[10], ".def");
|
|
}
|
|
else (void) strcat(buf, ".def");
|
|
if (! InsertFile(buf, DEFPATH, &(FileName))) {
|
|
fatal("Could'nt find a DEFINITION MODULE for \"%s\"", name);
|
|
}
|
|
LineNumber = 1;
|
|
DO_DEBUG(1, debug("File %s : %ld characters", FileName, sys_filesize(FileName)));
|
|
}
|
|
|
|
struct def *
|
|
GetDefinitionModule(id)
|
|
struct idf *id;
|
|
{
|
|
/* Return a pointer to the "def" structure of the definition
|
|
module indicated by "id".
|
|
We may have to read the definition module itself.
|
|
*/
|
|
struct def *df;
|
|
static int level;
|
|
|
|
level++;
|
|
df = lookup(id, GlobalScope);
|
|
if (!df) {
|
|
/* Read definition module. Make an exception for SYSTEM.
|
|
*/
|
|
if (!strcmp(id->id_text, "SYSTEM")) {
|
|
do_SYSTEM();
|
|
}
|
|
else {
|
|
GetFile(id->id_text);
|
|
DefModule();
|
|
if (level == 1) {
|
|
/* The module is directly imported by the
|
|
currently defined module, so we have to
|
|
remember its name because we have to call
|
|
its initialization routine
|
|
*/
|
|
AddModule(id);
|
|
}
|
|
}
|
|
df = lookup(id, GlobalScope);
|
|
}
|
|
assert(df != 0 && df->df_kind == D_MODULE);
|
|
level--;
|
|
return df;
|
|
}
|
|
|
|
AtEoIF()
|
|
{
|
|
/* Make the unstacking of input streams noticable by the
|
|
lexical analyzer
|
|
*/
|
|
return 1;
|
|
}
|